| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 01 Jan 2022 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2021 | 14 Dec 2021 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2021 | 21 Jul 2021 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2021 | 20 Apr 2021 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2020 | 23 Jul 2020 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2020 | 21 Jul 2020 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2019 | 23 Jul 2019 | 001-37391 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2018 | 24 Jul 2018 | 001-37391 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2018 | 01 Jan 2018 | 001-37391 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2018 | 01 Jan 2018 | 000-49966 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 04 Apr 2017 | ||
| SC 13D | Open Document | Open Filing | SC 13D | 11 Jul 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2016 | 30 Jun 2016 | 000-49966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2016 | 17 Nov 2015 | 000-49966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Apr 2015 | 15 Apr 2015 | 000-49966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jan 2015 | 23 Jan 2015 | 000-49966 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2014 | 14 Apr 2014 | 000-49966 |